#AC3F2B#AC3F2B

#AC3F2B is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.7% C 0.147 H 32.5°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#AC3F2B
RGB	rgb(172, 63, 43)
HSL	hsl(9, 60%, 42%)
HSV	hsv(9, 75%, 67%)
CMYK	cmyk(0%, 63.4%, 75%, 32.5%)
CIE-LAB	lab(42.00, 43.50, 35.31)
CIE-LCH	lch(42.00, 56.03, 39.06°)
OKLab	oklab(51.66% 0.124 0.0791)
OKLCH	oklch(51.66% 0.147 32.5)
XYZ	xyz(19.2289, 12.5028, 3.6858)
Luminance	0.1250 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3F2B #2B98AC

analogous

#AC2B58 #AC3F2B #AC7F2B

triadic

#AC3F2B #2BAC3F #3F2BAC

tetradic

#AC3F2B #58AC2B #2B98AC #7F2BAC

square

#AC3F2B #58AC2B #2B98AC #7F2BAC

split-complementary

#AC3F2B #2BAC7F #2B58AC

monochromatic

#4A1B13 #7B2D1F #AC3F2B #D05A44 #DC8575

Accessibility & contrast

On white

6.00

#AC3F2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#AC3F2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3F2B

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3F2B	#FFFFFF	#000000	##FFFFFF
##AC3F2B	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5428

Deuteranopia (green-blind)

#786C27

Tritanopia (blue-blind)

#BD243B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #ac3f2b;
/* rgb */ color: rgb(172, 63, 43);
/* oklch */ color: oklch(51.7% 0.147 32.5);

Tailwind

colors: {
  custom: {
    50: '#cc7965',
    500: '#ac3f2b',
    950: '#000000',
  },
}

SCSS

$custom: #ac3f2b;
$custom-light: #cc7965;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3f2b",
  "rgb": {
    "r": 172,
    "g": 63,
    "b": 43
  },
  "hsl": {
    "h": 9.302,
    "s": 60,
    "l": 42.157
  },
  "oklch": {
    "l": 0.5166,
    "c": 0.14706,
    "h": 32.5
  },
  "luminance": 0.125
}

Semantic roles & 50–950 ramp

primary

#AC3F2B

secondary

#6FB7C4

accent

#CBE345

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AC3F2B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →